*ONLY COMPATIBLE WITH V3 OBD2 GAUGE The P3 V3 Hardwire Harness will allow you to connect your V3 gauge to your car without blocking access to your OBD2 port. Easy access to wires can be found on the BACK of your OBD2 port.
Red = 12 volt power (pin 16 of OBD2 harness for constant power/ can also be run to switched power source)
Black = Ground
Gray = CAN-high (pin 6 of OBD2 harness)
Orange = CAN-low (pin 14 of OBD2 harness)
4 pin connector on other end of harness plugs directly into P3 V3 main harness in place of V3 OBD2 harness.